British Dictionary definitions for illicitness
Word Origin and History for illicitness
c.1500, from Old French illicite (14c.) "unlawful, forbidden," from Latin illicitus "not allowed, unlawful, illegal," from assimilated form of in- "not, opposite of" (see in- (1)) + licitus "lawful," past participle of licere "to be allowed" (see licence). Related: Illicitly.